Element block pseudo-element :before generated with border 0px rgba(0,0,0,1) solid background box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 0px position static transition font-weight normal display block cursor default font-size 16px line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none width 160px overflow hidden height auto transform z-index auto padding 20px border-radius box-sizing content-box